chirpstack_api 3.11.1

syntax = "proto3";

package common;

option go_package = "github.com/brocaar/chirpstack-api/go/v3/common";
option java_package = "io.chirpstack.api.common";
option java_multiple_files = true;
option java_outer_classname = "CommonProto";

enum Modulation {
    // LoRa
    LORA = 0;

    // FSK
    FSK = 1;

    // LR-FHSS
    LR_FHSS = 2;
}

enum Region {
    // EU868
    EU868 = 0;

    // US915
    US915 = 2;

    // CN779
    CN779 = 3;

    // EU433
    EU433 = 4;

    // AU915
    AU915 = 5;

    // CN470
    CN470 = 6;

    // AS923
    AS923 = 7;

    // AS923 with -1.80 MHz frequency offset
    AS923_2 = 12;

    // AS923 with -6.60 MHz frequency offset
    AS923_3 = 13;

    // AS923 with -5.90 MHz frequency offset
    AS923_4 = 14;

    // KR920
    KR920 = 8;

    // IN865
    IN865 = 9;

    // RU864
    RU864 = 10;

    // ISM2400 (LoRaWAN 2.4 GHz)
    ISM2400 = 11;
}

enum MType {
    // JoinRequest.
    JoinRequest = 0;

    // JoinAccept.
    JoinAccept = 1;
    
    // UnconfirmedDataUp.
    UnconfirmedDataUp = 2;

    // UnconfirmedDataDown.
    UnconfirmedDataDown = 3;

    // ConfirmedDataUp.
    ConfirmedDataUp = 4;
    
    // ConfirmedDataDown.
    ConfirmedDataDown = 5;

    // RejoinRequest.
    RejoinRequest = 6;

    // Proprietary.
    Proprietary = 7;
}


message KeyEnvelope {
    // KEK label.
    string kek_label = 1;

    // AES key (when the kek_label is set, this key is encrypted using a key
    // known to the join-server and application-server.
    // For more information please refer to the LoRaWAN Backend Interface
    // 'Key Transport Security' section.
    bytes aes_key = 2;
}

enum LocationSource {
    // Unknown.
    UNKNOWN = 0;

    // GPS.
    GPS = 1;

    // Manually configured.
    CONFIG = 2;

    // Geo resolver (TDOA).
    GEO_RESOLVER_TDOA = 3;

    // Geo resolver (RSSI).
    GEO_RESOLVER_RSSI = 4;

    // Geo resolver (GNSS).
    GEO_RESOLVER_GNSS = 5;

    // Geo resolver (WIFI).
    GEO_RESOLVER_WIFI = 6;
}

message Location {
    // Latitude.
    double latitude = 1;

    // Longitude.
    double longitude = 2;

    // Altitude.
    double altitude = 3;

    // Location source.
    LocationSource source = 4;

    // Accuracy (in meters).
    uint32 accuracy = 5;
}